CA2970668C - System and method for above-atmospheric leaching of metal sulfides - Google Patents
System and method for above-atmospheric leaching of metal sulfides Download PDFInfo
- Publication number
- CA2970668C CA2970668C CA2970668A CA2970668A CA2970668C CA 2970668 C CA2970668 C CA 2970668C CA 2970668 A CA2970668 A CA 2970668A CA 2970668 A CA2970668 A CA 2970668A CA 2970668 C CA2970668 C CA 2970668C
- Authority
- CA
- Canada
- Prior art keywords
- grinding media
- metal sulfide
- autoclave
- reactor
- concentrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052976 metal sulfide Inorganic materials 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000002386 leaching Methods 0.000 title claims abstract description 44
- 238000000227 grinding Methods 0.000 claims abstract description 205
- 239000012141 concentrate Substances 0.000 claims abstract description 143
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005188 flotation Methods 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims description 39
- 239000007789 gas Substances 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract description 10
- 230000001590 oxidative effect Effects 0.000 description 100
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 57
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 55
- 239000010949 copper Substances 0.000 description 20
- 229910052971 enargite Inorganic materials 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000011144 upstream manufacturing Methods 0.000 description 12
- 101100348097 Mus musculus Ncor2 gene Proteins 0.000 description 11
- 239000002253 acid Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 229910052785 arsenic Inorganic materials 0.000 description 7
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 7
- 239000011324 bead Substances 0.000 description 6
- 238000000638 solvent extraction Methods 0.000 description 6
- 239000010941 cobalt Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- -1 enargite Chemical class 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229910052683 pyrite Inorganic materials 0.000 description 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 4
- 239000011028 pyrite Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 229910052951 chalcopyrite Inorganic materials 0.000 description 3
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 3
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical class [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 2
- 229910052964 arsenopyrite Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009852 extractive metallurgy Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011805 ball Substances 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- INPLXZPZQSLHBR-UHFFFAOYSA-N cobalt(2+);sulfide Chemical compound [S-2].[Co+2] INPLXZPZQSLHBR-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462092773P | 2014-12-16 | 2014-12-16 | |
| US62/092,773 | 2014-12-16 | ||
| PCT/US2015/066003 WO2016100453A2 (en) | 2014-12-16 | 2015-12-16 | System and method for above-atmospheric leaching of metal sulfides |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2970668A1 CA2970668A1 (en) | 2016-06-23 |
| CA2970668C true CA2970668C (en) | 2021-09-07 |
Family
ID=56127842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2970668A Active CA2970668C (en) | 2014-12-16 | 2015-12-16 | System and method for above-atmospheric leaching of metal sulfides |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10526681B2 (es) |
| CN (1) | CN107208175A (es) |
| AU (1) | AU2015362587B2 (es) |
| CA (1) | CA2970668C (es) |
| CL (1) | CL2017001544A1 (es) |
| FI (1) | FI127901B (es) |
| MX (1) | MX364699B (es) |
| PE (1) | PE20171024A1 (es) |
| WO (1) | WO2016100453A2 (es) |
| ZA (1) | ZA201703569B (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140723A1 (en) | 2016-02-19 | 2017-08-24 | Flsmidth A/S | Hydrometallurgical processes for leaching or dissolving metal and enhancing electrorefinery and smelting operations |
| CN107400776A (zh) * | 2017-07-28 | 2017-11-28 | 上海森松新能源设备有限公司 | 隔舱机构和加压釜 |
| KR101889681B1 (ko) * | 2018-02-13 | 2018-08-17 | 고려아연 주식회사 | 오토클레이브 및 오토클레이브의 염 제거방법 |
| CN108977655A (zh) * | 2018-08-09 | 2018-12-11 | 湖南行者环保科技有限公司 | 浸出反应装置 |
| CN109971949A (zh) * | 2019-04-24 | 2019-07-05 | 中南大学 | 一种超级浸出装置及方法 |
| US11286540B2 (en) | 2020-07-31 | 2022-03-29 | Rio Tinto Technological Resources Inc. | Method of processing a pyrite-containing slurry |
| US11236407B1 (en) | 2020-07-31 | 2022-02-01 | Rio Tinto Technological Resources Inc. | Metal recovery by leaching agglomerates of metal-containing material/pyrite |
| AU2023382017A1 (en) * | 2022-11-14 | 2024-09-19 | Hydromet WA Pty Limited | "method for the preferential leach of value metals from sulphide concentrates" |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3642435A (en) * | 1969-11-10 | 1972-02-15 | Cyprus Mines Corp | Method of recovering water-soluble nonferrous metal sulfates from sulfur-bearing ores |
| CA2115423A1 (en) * | 1991-08-19 | 1993-03-04 | Terence William Turney | Titanium extraction |
| US5232491A (en) * | 1991-10-25 | 1993-08-03 | Dominion Mining Limited | Activation of a mineral species |
| US5458866A (en) * | 1994-02-14 | 1995-10-17 | Santa Fe Pacific Gold Corporation | Process for preferentially oxidizing sulfides in gold-bearing refractory ores |
| US6210648B1 (en) * | 1996-10-23 | 2001-04-03 | Newmont Mining Corporation | Method for processing refractory auriferous sulfide ores involving preparation of a sulfide concentrate |
| US20020152845A1 (en) * | 1999-04-28 | 2002-10-24 | Fleming Christopher A. | Oxidative pressure leach recovery of precious metals using halide ions |
| US6497745B2 (en) | 2000-07-25 | 2002-12-24 | Phelps Dodge Corporation | Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| US6835230B2 (en) * | 2001-03-28 | 2004-12-28 | Dowa Mining Co., Ltd. | Method for leaching zinc concentrate |
| CL2007003682A1 (es) * | 2006-12-18 | 2008-07-04 | Alexander Beckmann | Procedimiento para la obtencion de cobre que comprende transformacion de las menas, concentrados de mena o minerales mediante reaccion con azufre de 300 a 600 grados celsius durante al menos 5 minutos, molienda del producto de reaccion, separacion fi |
| CN101245407B (zh) * | 2008-03-19 | 2011-01-19 | 云南冶金集团总公司 | 处理复杂难选低品位硫化铅锌矿选-冶联合的方法 |
| CN101705371B (zh) * | 2009-11-20 | 2011-04-06 | 北京矿冶研究总院 | 一种硫化铜钴矿中提取钴的方法 |
| AU2010333700B2 (en) * | 2009-12-14 | 2014-07-17 | Glencore Technology Pty Limited | Method and apparatus for delivering a grinding media to a grinding mill |
| WO2014093584A1 (en) * | 2012-12-12 | 2014-06-19 | Flsmidth A/S | Systems and processes for the enhanced leaching of ores through particle size segregation |
| FI129125B (fi) * | 2014-11-20 | 2021-07-30 | Smidth As F L | Metallisulfidien uuttamispiiri |
-
2015
- 2015-12-16 MX MX2017007387A patent/MX364699B/es active IP Right Grant
- 2015-12-16 AU AU2015362587A patent/AU2015362587B2/en not_active Ceased
- 2015-12-16 US US15/528,698 patent/US10526681B2/en active Active
- 2015-12-16 WO PCT/US2015/066003 patent/WO2016100453A2/en not_active Ceased
- 2015-12-16 FI FI20175583A patent/FI127901B/fi active IP Right Grant
- 2015-12-16 PE PE2017001071A patent/PE20171024A1/es unknown
- 2015-12-16 CA CA2970668A patent/CA2970668C/en active Active
- 2015-12-16 CN CN201580073682.1A patent/CN107208175A/zh active Pending
-
2017
- 2017-05-24 ZA ZA201703569A patent/ZA201703569B/en unknown
- 2017-06-14 CL CL2017001544A patent/CL2017001544A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016100453A2 (en) | 2016-06-23 |
| US20190100823A1 (en) | 2019-04-04 |
| MX2017007387A (es) | 2017-10-02 |
| ZA201703569B (en) | 2019-11-27 |
| US10526681B2 (en) | 2020-01-07 |
| CL2017001544A1 (es) | 2018-01-26 |
| FI127901B (fi) | 2019-05-15 |
| WO2016100453A3 (en) | 2016-07-28 |
| CA2970668A1 (en) | 2016-06-23 |
| MX364699B (es) | 2019-05-06 |
| AU2015362587A1 (en) | 2017-06-15 |
| CN107208175A (zh) | 2017-09-26 |
| PE20171024A1 (es) | 2017-07-17 |
| AU2015362587B2 (en) | 2018-02-01 |
| FI20175583A7 (fi) | 2017-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2970668C (en) | System and method for above-atmospheric leaching of metal sulfides | |
| RU2333042C1 (ru) | Способ флотации медно-молибденовых руд | |
| EP1064411B1 (en) | Extraction of valuable metal by acid cyanide leach | |
| AU2017221773B2 (en) | System and method for enhanced metal recovery during atmospheric leaching of metal sulfides | |
| CA3161875C (en) | Processing method | |
| US8640876B2 (en) | Method for separating rich ore particles from agglomerates which contain said rich ore particles of value and magnetizable particles attached thereto, especially Fe3O4 | |
| CA2766376C (en) | Carbon retention screen with variable discharge head | |
| CN101111615A (zh) | 包括精细研磨、制浆和氧化的用于金属如金和铂的提取方法 | |
| KR20170035898A (ko) | 망간 광석 가공 공정 | |
| WO1999015276A1 (en) | Modular transportable processing plant and mineral process evaluation unit | |
| EP2669392A1 (en) | Process for production of ore slurry | |
| US20090032403A1 (en) | Uranium recovery using electrolysis | |
| US5709731A (en) | Slurry pipeline leaching method | |
| Senchenko et al. | Technology for processing of refractory gold-containing concentrates based on ultrafine grinding and atmospheric oxidation | |
| RU2751395C1 (ru) | Способ переработки упорных углистых золотосодержащих руд | |
| JP2003082420A (ja) | 亜鉛精鉱浸出法および浸出装置 | |
| RU2339708C1 (ru) | Способ выщелачивания продуктов, содержащих сульфиды металлов | |
| RU2576715C1 (ru) | Способ повышения извлечения платиноидов из нетрадиционного платиносодержащего сырья | |
| CA3077715C (en) | Recovery of heavy minerals from oil sands tailings | |
| RU55367U1 (ru) | Опытно-промышленная установка для переработки золотосодержащих руд и концентратов (варианты) | |
| RU2625463C1 (ru) | Генератор кавитации | |
| GB2640603A (en) | Method for the extraction of metals or metalloids from metal and metalloid containing material | |
| US548994A (en) | Extracting metals from their ores | |
| WO2023212777A1 (en) | Processing mined ore | |
| JP2018184629A (ja) | 鉱石スラリーの製造方法および鉱石スラリーの製造装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20201124 |